Home / 55,495.53-76,585.91-31,621.59

Finding the Fourth Proportional to 55,495.53, 76,585.91 and 31,621.59

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Solution

The fourth proportional to 55,495.53, 76,585.91 and 31,621.59 is: 43,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,495.53 : 76,585.91 = 31,621.59 : x
  2. Step 2: Convert to fraction form
    55,495.53/76,585.91 = 31,621.59/x
  3. Step 3: Cross multiply
    55,495.53x = 76,585.91 × 31,621.59
  4. Step 4: Simplify right side
    55,495.53x = 2,421,768,087.69
  5. Step 5: Solve for x
    x = 2,421,768,087.69/55,495.53
  6. Step 6: Final answer
    x = 43,638.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.